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单词 exochorion
释义

> as lemmas

exochorion
exochorion n.
Brit. /ˌɛksə(ʊ)ˈkɔːrɪən/
,
/ˌɛksə(ʊ)ˈkɔːrɪɒn/
,
U.S. /ˌɛksəˈkɔriˌɑn/
,
/ˌɛksoʊˈkɔriˌɑn/
Anatomy the outer layer of the chorion or membrane that encloses the fœtus. [After French exochorion (1826 or earlier).]
ΚΠ
1850 R. P. Thomas tr. P. Cazeaux Theoret. & Pract. Treat. Midwifery 185 It consists of two laminæ, the external or primitive of which, also called the exochorion, is wholly deprived of vessels.
extracted from exo-prefix
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更新时间:2024/12/24 9:04:02